Bryson DeChambeau was the mad scientist who calculated barometric pressure and the decay of spin rate in altitude when trying to figure out how to best play the game.
Then he became the incredible bulk, adding 40 pounds of muscle and mass with a diet of some 3,500 calories a day in an effort to swing the club faster and hit the ball farther than anyone.
The third iteration he showed at the Masters on Thursday in Augusta, Ga. might be the most daunting.
鈥淭he golf phase,鈥� DeChambeau said Thursday after opening with a 7-under 65, his best start in a major and lowest score at the Masters. 鈥淭rying to be the best golfer I can be.鈥�
DeChambeau was plenty good in a relentless wind, taking a one-shot lead over Scottie Scheffler in the rain-delayed opening round. Scheffler hasn鈥檛 changed at all. The world鈥檚 No. 1 player was practically flawless from tee to green.
The first round could not be completed because of a from overnight rain that drenched Augusta National, leaving the greens softer than they have been all week. The test came from a steady 20 mph wind, with gusts twice that strong.
Among those still on the course was Tiger Woods, who was 1-under par through 13 holes when it was too dark to continue. He next faces 23 holes Friday, an endurance test for his battered legs, as he tries to set the Masters record by making his 24th consecutive cut.
Tiger Woods put on a short-game clinic to close out his Masters Thursday.
鈥� The Masters (@TheMasters)
Nicolai Hojgaard of Denmark, one of 17 newcomers to the Masters, was at 5 under with three holes to play. Max Homa was at 4 under through 13 holes.
DeChambeau put on a clinic of power and putting, always a good recipe at Augusta National.
鈥淚鈥檓 just in a place where I鈥檓 repeating a motion, trying to do the same thing over and over again,鈥� he said.
He ran off five birdies in a six-hole stretch on the back nine, including a two-putt birdie on the par-5 15th when his risky shot under a pine tree cleared the water fronting the green and left him 40 feet away.
鈥淚t clipped the tree. I hit four pine needles rather than five, and it worked out perfectly,鈥� said DeChambeau, not entirely rid of his precise calculations.
Scheffler teed off about two hours later when the wind was at full force, and part of him was surprised to see so many red numbers under par on the large, white boards.
鈥淚鈥檝e played this tournament once before in some pretty high winds, and it鈥檚 an extremely challenging golf course,鈥� Scheffler said, giving credit to caddie Ted Scott for 鈥済uessing the wind correctly鈥� on a number of shots.
He had the only bogey-free round of the 89 players in the field, no small task on a day like this. Three of his six birdies came on the par 3s, one of those when he holed a bunker shot from behind the 12th green.
DeChambeau feels he got fortunate with his shot that grazed the tree. There was no doubting the break Scheffler got with his second shot on the par-5 13th, when he flinched upon hearing a shot hit from another fairway. Scheffler鈥檚 ball came up short, and he assumed it would roll back into the tributary of Rae鈥檚 Creek that winds in front of the green.
The turf was soft enough that it stayed up, and he chipped it close to make birdie.
鈥淚鈥檝e never seen a ball stay up there,鈥� Scheffler said. 鈥淚 don鈥檛 know if that will happen again this week. I鈥檓 hoping I don鈥檛 find out.鈥�
Scheffler began as the 4-1 favorite, , the shortest odds since Tiger Woods nearly two decades ago. And then the No. 1 player in the world 鈥� who came into the Masters off two wins and a runner-up finish 鈥� played as expected.
It was his ninth bogey-free round of the year.
鈥淎ny time you can get around this golf course bogey-free, you鈥檙e going to have a pretty good day out there,鈥� Scheffler said.
DeChambeau dropped only one shot, a long three-putt to a back pin on No. 9, and otherwise was flawless. He nearly drove the short par-4 third hole, leaving him a chip-and-putt birdie. He took care of three of the par 5s and got a bonus at the end when he holed a 30-foot birdie putt on the 17th hole.
DeChambeau feels he has settled in with his new life on Saudi-funded LIV Golf, with his equipment and his swing. He is not chasing swing speed like he once did, though he still has it when needed. He says his swing has been the same since that 61-58 weekend he had at LIV Golf Greenbrier last summer.
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鈥淗e鈥檚 always been one of the best putters in the world. When he drives it like he did today 鈥� I mean, he drove it really good 鈥� and he makes putts, he鈥檚 obviously very good,鈥� said Gary Woodland, who played alongside him. 鈥淚t was a clinic. It was impressive. He didn鈥檛 get out of position hardly at all, and he rolled it very, very nice.鈥�
Defending champion Jon Rahm never got any momentum and bogeys on his last two holes sent him to a 73, leaving him eight shots behind.
鈥淭hose are some seriously good rounds in conditions like today,鈥� Rahm said. 鈥淚 haven鈥檛 made it easy for myself. I鈥檓 going to have to start making up ground quickly.鈥�
at least didn鈥檛 shoot himself out of the tournament after one round. In his 10th bid for the final leg of the career Grand Slam, he saved par with a chip from behind the 18th green for a 71, the first time he has opened the Masters with a round under par since 2018.
鈥淚 held it together well. It was a little scrappy,鈥� McIlroy said. 鈥淧robably turned a 3 under into a 1 under there at the end. But overall, still not a bad score. And obviously a lot of golf left to play.鈥�
The first round was to resume at 7:50 a.m., and with a good forecast for the rest of the week, the Masters should be back on schedule by the weekend.
Among Canadians, Corey Conners of Listowel, Ont., was tied for ninth with a 2-under 70. Mike Weird of Brights Grove, Ont., was 2-over after a 72; Adam Hadwin of Abbotsford was at 3-over and Nick Taylor, also of Abbotsford, is at 5-over.
Doug Ferguson, The Associated Press
